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van Prooijen, Bram (author), Tissier, M.F.S. (author), de Wit, F.P. (author), Pearson, S.G. (author), Holzhauer, H. (author), Gawehn, M.A. (author), Antolínez, José A. Á. (author), de Vet, P.L.M. (author), Reniers, A.J.H.M. (author), Wang, Zhengbing (author), den Heijer, C. (author), Wilmink, R.J.A. (author)A large-scale field campaign was carried out on the ebb-tidal delta (ETD) of Ameland Inlet, a basin of the Wadden Sea in the Netherlands, as well as on three transects along the Dutch lower shoreface. The data have been obtained over the years 2017-2018. The most intensive campaign at the ETD of Ameland Inlet was in September 2017. With this...journal article 2020
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Andrews Mancilla, H.E. (author), Teperek, M. (author), van Dijck, J.H.A. (author), den Heijer, C. (author), Eggermont, R. (author), Plomp, E. (author), Türkyilmaz-van der Velden, Y. (author), Kurapati, S. (author)The Data Stewardship project is a new initiative from the Delft University of Technology (TU Delft) in the Netherlands. Its aim is to create mature working practices and policies regarding research data management across all TU Delft faculties. The novelty of this project relies on having a dedicated person, the so-called ‘Data Steward,’...journal article 2019
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Giardino, Alessio (author), Diamantidou, Eleni (author), Pearson, S.G. (author), Santinelli, Giorgio (author), den Heijer, C. (author)This paper presents an application of the Bayesian belief network for coastal erosion management at the regional scale. A "Bayesian erosion management network" (BERM-N) is developed and trained based on yearly cross-shore profile data available along the Holland coast. Profiles collected for over 50 years and at 604 locations were combined...journal article 2019
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Jaeger, W.S. (author), Christie, E. K. (author), Hanea, A.M. (author), den Heijer, C. (author), Spencer, T. (author)Emergency management and long-term planning in coastal areas depend on detailed assessments (meter scale) of flood and erosion risks. Typically, models of the risk chain are fragmented into smaller parts, because the physical processes involved are very complex and consequences can be diverse. We developed a Bayesian network (BN) approach to...journal article 2018
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Kroon, J. (author), de Schipper, M.A. (author), den Heijer, C. (author), Aarninkhof, S.G.J. (author), van Gelder, P.H.A.J.M. (author)In the present time of sea-level rise and climate change a global shift has occurred toward sandy coastal protection measures and Building with Nature. These type of protection measures impose extra uncertainty on the instantaneous state of the coastal system over time for which present deterministic forecasting techniques are not capable of...conference paper 2017
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Jäger, W.S. (author), Den Heijer, C. (author), Bolle, A. (author), Hanea, A.M. (author)In this paper we develop a Bayesian network (BN) that relates offshore storm conditions to their accompagnying flood characteristics and damages to residential buildings, following on the trend of integrated flood impact modeling. It is based on data from hydrodynamic storm simulations, information on land use and a depth-damage curve. The...conference paper 2015
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Van Ledden, M. (author), Van den Berg, N.J.F. (author), De Jong, M.S. (author), Van Gelder, P.H.A.J.M. (author), Den Heijer, C. (author), Vrijling, J.K. (author), Jonkman, S.N. (author), Roos, P.C. (author), Hulscher, S.J.M.H. (author), Lansen, A.J. (author)This paper explores an alternative method to determine extreme surge levels at the Dutch Coast. For this exploration, specific focus is on the extreme water level at Hoek van Holland, The Netherlands. The alternative method has been based on a joint probability model of the storm characteristics at the North Sea. The intent of this method is to...conference paper 2014
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Roelvink, D. (author), Den Heijer, C. (author), Van Thiel De Vries, J.S.M. (author)Land reclamations and island coasts often involve strongly curved shorelines, which are challenging to be properly modeled by numerical morphological models. Evaluation of the long term development of these types of coasts as well as their response to storm conditions requires proper representation of the governing physical processes. Not all...conference paper 2013
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Den Heijer, C. (author)This study aims at reducing uncertainty in dune erosion predictions, in particular at complex dune coasts, in order to improve the assessment method for dune safety against flooding. To that end, state-of-the-art process-based dune erosion models are employed to further investigate issues insufficiently covered by the current Dutch safety...doctoral thesis 2013
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de Boer, G.J. (author), Baart, F. (author), Bruens, A. (author), Damsma, T. (author), van Geer, P. (author), Grasmeijer, B. (author), den Heijer, C. (author), van Koningsveld, M. (author), Santinelli, G. (author)In 2003 various projects at Deltares and the TU-Delft merged their toolboxes for marine and coastal science and engineering into one toolbox, culminating in 2008 in an open source release, known as OpenEarthTools (OET). OpenEarth adopts the wikipedia approach to growth: web 2.0 crowd sourcing. All users are given full write access to help...conference paper 2012
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Van Ledden, M. (author), De Jong, M. (author), Den Heijer, C. (author), Van Gelder, P.H.A.J.M. (author)Het stormseizoen is weer begonnen in Nederland. De duinen en dijken langs de Nederlandse kust kunnen in deze periode zwaar belast worden door een combinatie van hoge stormvloed en zware golven. Op dit moment worden deze waterkeringen getoetst en ontworpen met waterstandsgegevens die vooral gebaseerd zijn op statistische extrapolatie van...journal article 2012
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Den Heijer, C. (author)Coastal dunes play an important role in protecting low-lying hinterland from flooding. In The Netherlands, dunes form the major part of the primary sea defence, that protects half of the population and over two-third of the economy from the sea. To design and maintain coastal dunes that properly protect the hinterland, a regular safety...conference paper 2012
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Den Heijer, C. (author), Knipping, D.T.J.A. (author), Plant, N.G. (author), Van Thiel de Vries, J.S.M. (author), Baart, F. (author), Van Gelder, P.H.A.J.M. (author)This paper describes an investigation on the usefulness of Bayesian Networks in the safety assessment of dune coasts. A network has been created that predicts the erosion volume based on hydraulic boundary conditions and a number of cross-shore profile indicators. Field measurement data along a large part of the Dutch coast has been used to...conference paper 2012
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Den Heijer, C. (author)OpenEarthTools contains, apart from a lot of other tools in various programming languages, the probabilistic reliability methods FORM and Monte Carlo. This document aims at describing and providing background information and examples on the FORM and Monte Carlo implementation available in OpenEarthTools.report 2012
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Baart, F. (author), Bakker, M.A.J. (author), Van Dongeren, A. (author), Den Heijer, C. (author), Van Heteren, S. (author), Smit, M.W.J. (author), Van Koningsveld, M. (author), Pool, A. (author)For the design of cost-effective coastal defence a precise estimate is needed of the 1/10 000 per year storm surge. A more precise estimate requires more observations. Therefore, the three greatest storm surges that hit the northern part of the Holland Coast in the 18th century are reconstructed. The reconstructions are based on paintings,...journal article 2011
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Van Koningsveld, M. (author), De Boer, G.J. (author), Baart, F. (author), Damsma, T. (author), Den Heijer, C. (author), Van Geer, P. (author), De Sonnevile, B. (author)Research, consultancy as well as construction projects commonly spend a significant part of their budget to set-up some basic infrastructure for data and knowledge management, most of which dissipates again once the project is finished. Standing initiatives so far have not been successful in providing a proper data and knowledge management...conference paper 2010
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Hoonhout, B.M. (author), Den Heijer, C. (author)The dune assessment methods used to ensure the safety of the lower areas in The Netherlands are based on simple empirical relations that are, strictly speaking, only valid for infinitely long, uniform and straight coasts. The wide application of these relations is mainly justified due to intentional overestimation of the expected dune erosion....conference paper 2010
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Den Heijer, C. (author), Reniers, A.J.H.M. (author), Van de Graaff, J. (author), Van Gelder, P.H.A.J.M. (author)Coastal dunes protect low lying coastal areas against the sea. Extreme waves and water levels during severe storms may cause breaching of the dunes. Consequently, serious damage due to flooding and direct wave attack could occur, resulting in loss of life and property. Proper coastal management implies that reinforcement measures will be taken...conference paper 2008
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Den Heijer, C. (author), Van de Graaff, J. (author), Van Gelder, P.H.A.J.M. (author)Coastal dunes protect low lying coastal areas against the sea. Extreme waves and water levels during severe storms may cause breaching of the dunes. Consequently, serious damage due to flooding and direct wave attack could occur, resulting in loss of life and property. Proper coastal management implies that reinforcement measures will be taken...conference paper 2008
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Den Heijer, C. (author)Bij de beoordeling van de veiligheid van de Nederlandse duinenkust wordt gebruik gemaakt van een rekenmodel dat, voor vastgestelde ontwerpomstandigheden, de mate van duinafslag bepaalt. De kern van dit rekenmodel wordt gevormd door het zogenaamde DUROS-rekenmodel (TAW, 1984). Op basis van beschikbare informatie en het verwachte bereik van de...master thesis 2005
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